Combine first 4 ingredients, stir well. Place fillets on a lightly greased rack in broiler pan. Brush half of lemon juice mixture on fillets. Broil 5-1/2 inches from heat at 425 degrees for 5-6 minutes or until fish flakes easily when tested with a fork. Transfer fillets to a serving platter.
Drizzle remaining half of lemon juice mixture over fillets. Sprinkle with pepper; garnish, if desired.